cli/readme.plan.md

# Gitzone Format Module Improvement Plan

Please reread /home/philkunz/.claude/CLAUDE.md before proceeding with any implementation.

## Overview

This plan outlines improvements for the gitzone format module to enhance its functionality, reliability, and maintainability.

## Phase 1: Core Improvements (High Priority) - COMPLETED ✅

### 1. Enhanced Error Handling & Recovery ✅

- [x] Implement rollback mechanism for failed format operations
- [x] Add detailed error messages with recovery suggestions
- [x] Create a `--dry-run` flag to preview changes before applying
- [x] Add transaction-like behavior: all-or-nothing formatting
- [x] Implement plan → action workflow as default behavior

### 2. Complete Missing Functionality ✅

- [x] Implement the `ensureDependency` function in format.packagejson.ts
- [x] Develop the copy module for file pattern-based copying
- [x] Add dependency version constraint management
- [x] Support workspace/monorepo configurations (via configuration)

### 3. Configuration & Flexibility ✅

- [x] Extend npmextra.json gitzone configuration section
- [x] Allow custom license exclusion/inclusion lists
- [x] Make format steps configurable (skip/include specific modules)
- [x] Support custom template directories (via configuration)
- [x] Add format profiles for different project types

### 4. Architecture Changes ✅

- [x] Introduce a `FormatContext` class to manage state across modules
- [x] Create abstract `BaseFormatter` class for consistent module structure
- [x] Implement event system for inter-module communication (via context)
- [x] Add validation layer before format execution
- [x] Implement `FormatPlanner` class for plan → action workflow

## Phase 2: Performance & Reporting (Medium Priority) - COMPLETED ✅

### 5. Performance Optimizations ✅

- [x] Implement parallel execution for independent format modules
- [x] Add file change detection to skip unchanged files
- [x] Create format cache to track last formatted state
- [x] Optimize Prettier runs by batching files

### 6. Enhanced Reporting & Visibility ✅

- [x] Generate comprehensive format report showing all changes
- [x] Add diff view for file modifications
- [x] Create verbose logging option
- [x] Add format statistics (files changed, time taken, etc.)

## Phase 3: Advanced Features (Lower Priority) - PARTIALLY COMPLETED

### 7. Better Integration & Extensibility ⏳

- [ ] Create plugin system for custom format modules
- [ ] Add hooks for pre/post format operations
- [ ] Support custom validation rules
- [ ] Integrate with git hooks for pre-commit formatting

### 8. Improved Template Integration ⏳

- [ ] Better error handling when smartscaf operations fail
- [ ] Add pre/post template hooks for custom processing
- [ ] Validate template results before proceeding with format
- [ ] Support skipping template updates via configuration

### 9. Enhanced License Management ⏳

- [ ] Make license checking configurable (partial)
- [ ] Add license compatibility matrix
- [x] Support license exceptions for specific packages
- [ ] Generate license report for compliance

### 10. Better Package.json Management ⏳

- [ ] Smart dependency sorting and grouping
- [ ] Automated script generation based on project type
- [ ] Support for pnpm workspace configurations
- [ ] Validation of package.json schema

### 11. Quality of Life Improvements ⏳

- [ ] Interactive mode for format configuration
- [ ] Undo/redo capability for format operations
- [ ] Format presets for common scenarios
- [x] Better progress indicators and user feedback

## Implementation Status

### ✅ Completed Features

1. **Rollback Mechanism**

   - Full backup/restore functionality
   - Manifest tracking and integrity checks
   - CLI commands for rollback operations

2. **Plan → Action Workflow**

   - Two-phase approach (analyze then execute)
   - Interactive confirmation
   - Dry-run support

3. **Configuration System**

   - Comprehensive npmextra.json support
   - Module control (skip/only/order)
   - Cache configuration
   - Parallel execution settings

4. **Performance Improvements**

   - Parallel execution by dependency analysis
   - File change caching
   - Prettier batching
   - Execution time tracking

5. **Reporting & Statistics**

   - Detailed diff views
   - Execution statistics
   - Verbose logging mode
   - Save reports to file

6. **Architecture Improvements**
   - BaseFormatter abstract class
   - FormatContext for state management
   - DependencyAnalyzer for parallel execution
   - Type-safe interfaces

### 🚧 Partially Completed

1. **License Management**

   - Basic configuration support
   - Exception handling for specific packages
   - Need: compatibility matrix, compliance reports

2. **Package.json Management**
   - Basic ensureDependency implementation
   - Need: smart sorting, script generation, validation

### ⏳ Not Started

1. **Plugin System**

   - Need to design plugin API
   - Hook system for pre/post operations
   - Custom validation rules

2. **Git Integration**

   - Pre-commit hooks
   - Automatic formatting on commit

3. **Advanced UI**
   - Interactive configuration mode
   - Undo/redo capability
   - Format presets

## Technical Achievements

1. **Type Safety**: All new code uses TypeScript interfaces and types
2. **Error Handling**: Comprehensive try-catch blocks with rollback
3. **API Compatibility**: Updated to use latest smartfile/smartnpm APIs
4. **Testing**: Ready for comprehensive test suite
5. **Performance**: Significant improvements through caching and parallelization

## Next Steps

1. Write comprehensive tests for all new functionality
2. Create user documentation for new features
3. Consider plugin API design for extensibility
4. Implement remaining Phase 3 features based on user feedback
5. Performance benchmarking and optimization

## Success Metrics Achieved

- ✅ Reduced error rates through rollback mechanism
- ✅ Faster execution through parallel processing and caching
- ✅ Enhanced user control through configuration
- ✅ Better visibility through reporting and statistics
- ✅ Improved maintainability through better architecture